ironflow_engine/executor/
http.rs

1//! HTTP step executor.
2
3use std::sync::Arc;
4use std::time::{Duration, Instant};
5
6use rust_decimal::Decimal;
7use serde_json::json;
8use tracing::info;
9
10use ironflow_core::operations::http::Http;
11use ironflow_core::provider::AgentProvider;
12use ironflow_store::entities::StepKind;
13
14use crate::config::HttpConfig;
15use crate::error::EngineError;
16
17use super::{StepExecutor, StepOutput};
18
19/// Executor for HTTP steps.
20///
21/// Sends an HTTP request and captures the response status, headers, and body.
22pub struct HttpExecutor<'a> {
23    config: &'a HttpConfig,
24}
25
26impl<'a> HttpExecutor<'a> {
27    /// Create a new HTTP executor from a config reference.
28    pub fn new(config: &'a HttpConfig) -> Self {
29        Self { config }
30    }
31}
32
33impl StepExecutor for HttpExecutor<'_> {
34    fn kind(&self) -> StepKind {
35        StepKind::Http
36    }
37
38    async fn execute(&self, _provider: &Arc<dyn AgentProvider>) -> Result<StepOutput, EngineError> {
39        let start = Instant::now();
40
41        let mut http = match self.config.method.to_uppercase().as_str() {
42            "GET" => Http::get(&self.config.url),
43            "POST" => Http::post(&self.config.url),
44            "PUT" => Http::put(&self.config.url),
45            "PATCH" => Http::patch(&self.config.url),
46            "DELETE" => Http::delete(&self.config.url),
47            other => {
48                return Err(EngineError::StepConfig(format!(
49                    "unsupported HTTP method: {other}"
50                )));
51            }
52        };
53
54        for (name, value) in &self.config.headers {
55            http = http.header(name, value);
56        }
57        if let Some(ref ctx) = self.config.trace_context {
58            http = http.trace_context(ctx);
59        }
60        if let Some(ref body) = self.config.body {
61            http = http.json(body.clone());
62        }
63        if let Some(secs) = self.config.timeout_secs {
64            http = http.timeout(Duration::from_secs(secs));
65        }
66
67        let output = http.run().await?;
68        let duration_ms = start.elapsed().as_millis() as u64;
69
70        info!(
71            step_kind = "http",
72            method = %self.config.method,
73            url = %self.config.url,
74            status = output.status(),
75            duration_ms,
76            "http step completed"
77        );
78
79        #[cfg(feature = "prometheus")]
80        {
81            use ironflow_core::metric_names::{HTTP_DURATION_SECONDS, HTTP_TOTAL, STATUS_SUCCESS};
82            use metrics::{counter, histogram};
83            counter!(HTTP_TOTAL, "method" => self.config.method.clone(), "status" => STATUS_SUCCESS).increment(1);
84            histogram!(HTTP_DURATION_SECONDS).record(duration_ms as f64 / 1000.0);
85        }
86
87        Ok(StepOutput {
88            output: json!({
89                "status": output.status(),
90                "headers": output.headers(),
91                "body": output.body(),
92            }),
93            duration_ms,
94            cost_usd: Decimal::ZERO,
95            input_tokens: None,
96            output_tokens: None,
97            model: None,
98            debug_messages: None,
99        })
100    }
101}
102
103#[cfg(test)]
104mod tests {
105    use super::*;
106    use axum::Router;
107    use axum::routing::{delete, get, patch, post, put};
108    use ironflow_core::providers::claude::ClaudeCodeProvider;
109    use ironflow_core::providers::record_replay::RecordReplayProvider;
110    use tokio::net::TcpListener;
111
112    fn create_test_provider() -> Arc<dyn AgentProvider> {
113        let inner = ClaudeCodeProvider::new();
114        Arc::new(RecordReplayProvider::replay(
115            inner,
116            "/tmp/ironflow-fixtures",
117        ))
118    }
119
120    async fn start_test_server() -> String {
121        let app = Router::new()
122            .route("/status/200", get(|| async { "ok" }))
123            .route("/post", post(|| async { "ok" }))
124            .route("/put", put(|| async { "ok" }))
125            .route("/patch", patch(|| async { "ok" }))
126            .route("/delete", delete(|| async { "ok" }))
127            .route("/headers", get(|| async { "ok" }));
128
129        let listener = TcpListener::bind("127.0.0.1:0").await.unwrap();
130        let port = listener.local_addr().unwrap().port();
131        tokio::spawn(async move {
132            axum::serve(listener, app).await.unwrap();
133        });
134        format!("http://localhost:{port}")
135    }
136
137    #[tokio::test]
138    async fn http_get_method() {
139        let base = start_test_server().await;
140        let config = HttpConfig::get(&format!("{base}/status/200"));
141        let executor = HttpExecutor::new(&config);
142        let provider = create_test_provider();
143
144        let result = executor.execute(&provider).await;
145        assert!(result.is_ok());
146        let output = result.unwrap();
147        assert!(output.output.get("status").is_some());
148        assert!(output.output.get("headers").is_some());
149        assert!(output.output.get("body").is_some());
150    }
151
152    #[tokio::test]
153    async fn http_post_method() {
154        let base = start_test_server().await;
155        let config = HttpConfig::post(&format!("{base}/post"));
156        let executor = HttpExecutor::new(&config);
157        let provider = create_test_provider();
158
159        let result = executor.execute(&provider).await;
160        assert!(result.is_ok());
161    }
162
163    #[tokio::test]
164    async fn http_put_method() {
165        let base = start_test_server().await;
166        let config = HttpConfig::put(&format!("{base}/put"));
167        let executor = HttpExecutor::new(&config);
168        let provider = create_test_provider();
169
170        let result = executor.execute(&provider).await;
171        assert!(result.is_ok());
172    }
173
174    #[tokio::test]
175    async fn http_patch_method() {
176        let base = start_test_server().await;
177        let config = HttpConfig::patch(&format!("{base}/patch"));
178        let executor = HttpExecutor::new(&config);
179        let provider = create_test_provider();
180
181        let result = executor.execute(&provider).await;
182        assert!(result.is_ok());
183    }
184
185    #[tokio::test]
186    async fn http_delete_method() {
187        let base = start_test_server().await;
188        let config = HttpConfig::delete(&format!("{base}/delete"));
189        let executor = HttpExecutor::new(&config);
190        let provider = create_test_provider();
191
192        let result = executor.execute(&provider).await;
193        assert!(result.is_ok());
194    }
195
196    #[tokio::test]
197    async fn http_unsupported_method_returns_error() {
198        let base = start_test_server().await;
199        let mut config = HttpConfig::get(&format!("{base}/status/200"));
200        config.method = "INVALID".to_string();
201        let executor = HttpExecutor::new(&config);
202        let provider = create_test_provider();
203
204        let result = executor.execute(&provider).await;
205        assert!(result.is_err());
206        match result {
207            Err(EngineError::StepConfig(msg)) => {
208                assert!(msg.contains("unsupported HTTP method"));
209            }
210            _ => panic!("expected StepConfig error"),
211        }
212    }
213
214    #[tokio::test]
215    async fn http_with_custom_headers() {
216        let base = start_test_server().await;
217        let config = HttpConfig::get(&format!("{base}/headers"))
218            .header("X-Custom-Header", "test-value")
219            .header("Authorization", "Bearer token");
220        let executor = HttpExecutor::new(&config);
221        let provider = create_test_provider();
222
223        let result = executor.execute(&provider).await;
224        assert!(result.is_ok());
225    }
226
227    #[tokio::test]
228    async fn http_with_json_body() {
229        let base = start_test_server().await;
230        let config =
231            HttpConfig::post(&format!("{base}/post")).json(json!({"key": "value", "number": 42}));
232        let executor = HttpExecutor::new(&config);
233        let provider = create_test_provider();
234
235        let result = executor.execute(&provider).await;
236        assert!(result.is_ok());
237    }
238
239    #[tokio::test]
240    async fn http_step_output_has_structure() {
241        let base = start_test_server().await;
242        let config = HttpConfig::get(&format!("{base}/status/200"));
243        let executor = HttpExecutor::new(&config);
244        let provider = create_test_provider();
245
246        let output = executor.execute(&provider).await.unwrap();
247        assert!(output.output.get("status").is_some());
248        assert!(output.output.get("headers").is_some());
249        assert!(output.output.get("body").is_some());
250        assert_eq!(output.cost_usd, Decimal::ZERO);
251    }
252}
ironflow_engine/executor/http.rs

ironflow_engine/executor/
http.rs
